Home / 286,181.82-394,932.42-178,814.07

Finding the Fourth Proportional to 286,181.82, 394,932.42 and 178,814.07

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Solution

The fourth proportional to 286,181.82, 394,932.42 and 178,814.07 is: 246,764.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,181.82 : 394,932.42 = 178,814.07 : x
  2. Step 2: Convert to fraction form
    286,181.82/394,932.42 = 178,814.07/x
  3. Step 3: Cross multiply
    286,181.82x = 394,932.42 × 178,814.07
  4. Step 4: Simplify right side
    286,181.82x = 70,619,473,395.15
  5. Step 5: Solve for x
    x = 70,619,473,395.15/286,181.82
  6. Step 6: Final answer
    x = 246,764.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.